Learn About Astronomy Education in a New Ebook
How can we improve student learning in introductory astronomy courses? A new ebook lays out the evidence-based strategies.
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Selections from 2019: Habitable Zone Narrows for Complex Life
Recent work suggests that the number of planets able to support complex life may be much smaller than we initially thought.
Selections from 2019: Connecting the Universe’s Large and Small Scales
New work proposes a connection between small, dense compact objects — some possibly filled with dark energy — and the universe’s growth.
Selections from 2019: Discovery of an Intermediate-Mass Black Hole
Unusual motions in a cloud of gas provide evidence for a 30,000 solar-mass black hole drifting near our galaxy’s center.
Selections from 2019: An Alternative to Planet Nine
The collective gravity of a disk of distant, cold objects in our solar system could provide a natural alternative to Planet Nine.
Selections from 2019: Tracking Variations in Venus’s Clouds
A recent study explores how absorption in Venus’s atmosphere influences the planet’s weather on long timescales.